Home / 122,180.28-168,618.24-68,470.29

Finding the Fourth Proportional to 122,180.28, 168,618.24 and 68,470.29

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Solution

The fourth proportional to 122,180.28, 168,618.24 and 68,470.29 is: 94,494.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,180.28 : 168,618.24 = 68,470.29 : x
  2. Step 2: Convert to fraction form
    122,180.28/168,618.24 = 68,470.29/x
  3. Step 3: Cross multiply
    122,180.28x = 168,618.24 × 68,470.29
  4. Step 4: Simplify right side
    122,180.28x = 11,545,339,792.09
  5. Step 5: Solve for x
    x = 11,545,339,792.09/122,180.28
  6. Step 6: Final answer
    x = 94,494.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.